Program reading, Auto automatic mode, Manu manual mode – DE DIETRICH AD248 thermostat User Manual
Page 6: Temporary temperature modification, Prolonged absence mode (holidays), Installer’s guide, Technical specifications
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6
Creating a P4 program
A 24-hour profile composed of 48 thermometers
at the bottom of the display panel allows your
programme composition to be easily viewed.
A half-empty thermometer corresponds to
30 minutes at reduced temperature.
A full thermometer corresponds to
30 minutes at comfort temperature.
Example: programming 3 temperature periods for Friday:
6 a.m. till 8 a.m., noon till 2 p.m. and 6 p.m. till 10 p.m.
ቢ
From the Auto, mode press the
PROG P1-P4
button.
ባ
Press the
DAYS 1-7
button until a pointer
appears under the day you wish to program
(Friday in our example).
ቤ
Press the
PROG P1-P4
button until the P4
program number flashes in the right side of the
screen. Your display panel indicates time as
00hh0000 and the first thermometer flashes on
the 24-hour profile.
ብ
Press the
button several times to obtain
66::0000 the time to the wall displayed advances
by 30 minutes for each short press.
Continuous pressing accelerates the time
run-off.
• Press the
button several times to obtain
88::0000.
• Press the
button several times to obtain
1122::0000.
• Press the
button several times to obtain
1144::0000.
• Press the
button several times to obtain
1188::0000.
• Press the
button several times to obtain
2222::0000.
!
If you make a mistake (e.g. 11:30 instead of
12:00) use the
+
or
–
buttons to advance or
return and correct with the
and
thermometer buttons.
ቦ
Press the
OK
button.
The following day automatically appears.
ቧ
Press the
MODE
button to return to
automatic mode.
Program reading
You can check your programming.
ቢ
From Auto mode press the
PROG P1-P4
button.
ባ
With the
DAYS 1-7
button select the day
from 1 to 7 and check your programming on
the 24-hour profile at the bottom of the
display panel (see example above).
ቤ
Press the
MODE
button to return to
automatic mode.
Auto automatic mode
You pass into automatic mode by pressing the
MODE
button until the pointer
appears under
Auto.
In automatic mode Thermostat adapts to your life
style by running the programs you have selected.
Manu manual mode
Manual mode transforms your device into a simple
thermostat. It allows you to maintain a constant
temperature in your dwelling (set to a temperature
of between 5°C and 30°C).
ቢ
Press the
MODE
button to position the
pointer
under Manu.
ባ
Press
+
or
–
to adjust to the desired tempe-
rature (for instance 22.5°C).
To quit the Manu mode, press
MODE
and
reposition the pointer
under Auto.
DAYS
1-7
PROG
P1-P4
0000
h
DAYS
1-7
PROG
P1-P4
0000
h
DAYS
1-7
PROG
P1-P4
0000
h
DAYS
1-7
PROG
P1-P4
0000
h
DAYS
1-7
PROG
P1-P4
0000
h
DAYS
1-7
PROG
P1-P4
0000
h
DAYS
1-7
PROG
P1-P4
0000
h
DAYS
1-7
PROG
P1-P4
0000
h
Temporary temperature
modification
In automatic mode this very useful function allows
you to modify ambient temperature temporarily.
To increase the temperature,
• press the
+
button (several times, if necessary).
To decrease the temperature,
• press the
–
button (several times, if necessary).
The current temperature level indicator (com-
fort or reduced) will begin flashing.
This modification ends with the next change in
programmed temperature.
To return to the initial program press
MODE
and reposition the pointer
under Auto.
The current temperature level indicator (comfort
or reduced) will stop flashing when the temporary
modification comes to an end.
Prolonged absence mode
(holidays)
This mode protects your dwelling from freezing by
maintaining a minimum adjustable temperature in
your dwelling during your absences (from 1 to 99
days).You can program the length of your absence
so that the temperature rises for your return.
ቢ
Press the
button.
ባ
Set the length of your absence in days (from 1 to
99 days) with the
+
and
–
the current day counts
as one.
ቤ
Validate with
OK
button.
ብ
Set the desired temperature level during your
absence with the
+
and
–
buttons.
ቦ
Validate with the
OK
OKbutton.Remain in this
mode. To cancel and return to automatic mode,
press
MODE
.
Installer’s guide
The programmable thermostat must be installed
about 1.5 metres from the floor, on an interior wall,
away from direct sunlight and any source of heat,
such as TV set, lighting, draught, etc.
ቢ
Pull cover down and remove the screw.
ባ
Remove front face by unplugging it gently
from the base.
DAYS
1-7
PROG
P1-P4
0000
h
DAYS
1-7
PROG
P1-P4
0000
h
ቤ
Fix the base on the wall.
ብ
Connect the thermostat following the picture
below.
If your boiler is equipped with a thermostat input,
remove the bypass of 2 thermostat terminals and
connect them respectively to terminals 1 and 3 of
the thermostat, to the 2 boiler’s thermostat inputs
(any connection scheme will do).
Possible settings
Circulation pump anti-lock system
(starts the pump for 1 min every
24 hours).
Anti-locking
Anti-locking
function off
function on
Technical specifications
Adjustment range for comfort T°C:
+ 5°C to+ 30°C
Adjustment range for reduced T°C:
+ 5°C to + 30°C
Adjustment range for holiday T°C:
+ 5°C to + 30°C
Adjustment range for ambient T°C:
+ 0°C to + 40°C
Static differential:
< 0,3 degrees
Power:
2 standard LR6 alkalines batteries
Breaking power change over contact:
1 RT - 8 (3) A/230 V AC
Operating temperature:
0°C to + 50°C
Storage temperature:
-10°C to + 65°C
Hygrometry:
85 % max to + 20°C
Degree of protection:
I30
Insulation class:
II (EN 60730 standards)
Connection: by screwed barrier up to 2.5 mm
2
Made in France
Usable in all Europe and Switzerland
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OK
PROG
P1-P4
DAYS
1-7
MODE
Res
days
ቢ
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Terminal N°1 - Output heating
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